CY3274 Cypress High Voltage Programmable PLC Development Kit Guide, Doc. # 001-53598 Rev. *G
71
A.1.3
Transmit and Receive Filters and Coupling
GN
D
VDD
7.
50k
R2
2
1.
00k
R2
5
4.
99
R2
3
3
1
2
Q3
MM
B
T
3
9
0
4
GN
D
VDD
2
1
3
F
C
X
491
A
Q1
2
1
3
F
C
X
591
A
Q2
GN
D
VPWR
4.
02k
R1
6
1
3
2
D6
B
A
T
54S
VDD
GN
D
4
3
2
1
6
5
U2
L
M
H
6639
M
F
GN
D
GN
D
GN
D
RX
TX
T
X
D
ISABLE
4
3
2
1
6
5
U3
LM
H
6
6
3
9
M
F
4
3
2
1
6
5
U4
L
M
H
6639
M
F
TX
TX
D
IS
A
B
L
E
RX
10.
0k
R2
9
36.
5
R2
6
1.
0n
F
C20
GN
D
1.
0n
F
C22
37.
4k
R1
9
3.
83k
R2
1
41.
2
R2
7
1.
0n
F
C21
1.
0n
F
C23
37.
4k
R2
0
GN
D
0.
1uF
C16
GN
D
0.
1uF
C17
GN
D
0.
1uF
C24
0.
1uF
C18
GN
D
VPWR
10.
0k
R3
0
10.
0k
R3
1
0.
01uF
C36
10.
0
k
R1
8
10.
0
k
R2
8
10.
0uF
C19
GN
D
1
2
S
M
AJ12
C
A
D10
GN
D
22.
1
R1
4
VPWR
10.
0k
R1
7
1.
0uF
C13
1.
0uF
C15
10.
0k
R1
5
GN
D
VPWR
2.
0k
R1
0
0.
01uF
C10
20.
0k
R1
1
20.
0k
R9
150
0
p
F
C41
GN
D
GN
D
1
4
8
5
1:1
T1
Cou
p
ler
LINE
N
E
U
TRA
L
1m
H
L5
1.
0uF
C14
X
-CAP
1.
0uF
C12
0.
15uF
C9